Abstract:We theoretically study a new method for generating laser radiation by a two-level system without population inversion in the 'red' wing of its spectral line under resonant absorption of broadband radiation from pump laser diodes. A two-level system simulates the atoms of an active gas in an atmosphere of a high-pressure buffer gas. The effect results from the fact that in the 'red' wing of the spectral line, the probability of stimulated emission exceeds the probability of absorption if the homogeneous broaden… Show more
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